/*
 *    Copyright 2020  Wu Weijie
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 *
 */

package icu.wwj.camel.component.rocketmq.reply;

import org.apache.camel.support.DefaultTimeoutMap;

import java.util.concurrent.ScheduledExecutorService;

/**
 * @author wuweijie
 */
public class ReplyTimeoutMap extends DefaultTimeoutMap<String, ReplyHandler> {

    public ReplyTimeoutMap(ScheduledExecutorService executor, long requestMapPollTimeMillis) {
        super(executor, requestMapPollTimeMillis);
        addListener(this::listener);
    }

    private static long encode(long timeoutMillis) {
        return timeoutMillis > 0 ? timeoutMillis : Integer.MAX_VALUE;
    }

    private void listener(Listener.Type type, String key, ReplyHandler handler) {
        switch (type) {
            case Put:
                log.trace("Add messageKey: {}", key);
                break;
            case Remove:
                log.trace("Remove messageKey: {}", key);
                break;
            case Evict:
                try {
                    handler.onTimeout(key);
                } catch (Throwable e) {
                    log.warn("Error processing onTimeout for messageKey: " + key + " due: " + e.getLocalizedMessage()
                            + ". This exception is ignored.", e);
                }
                log.trace("Evicted messageKey: {}", key);
                break;
            default:
        }
    }

    @Override
    public ReplyHandler put(String key, ReplyHandler value, long timeoutMillis) {
        return super.put(key, value, encode(timeoutMillis));
    }

    @Override
    public ReplyHandler putIfAbsent(String key, ReplyHandler value, long timeoutMillis) {
        return super.putIfAbsent(key, value, encode(timeoutMillis));
    }
}
